There are two wayspots in this L17 S2 cell.
Parc des Tamariguers is a Pokestop, so Sculpture Pot à Crayons Géant is not eligible to be used as a Pokestop (or gym) but it is far enough away to potentially be added as a Power Spot in the future.
You may want to see this topic: Why an accepted Wayspot may not be used in Pokemon Go (S2 cells and Pokemon Go)